/**
 * Copyright (c) 2021 OceanBase
 * OceanBase CE is licensed under Mulan PubL v2.
 * You can use this software according to the terms and conditions of the Mulan PubL v2.
 * You may obtain a copy of Mulan PubL v2 at:
 *          http://license.coscl.org.cn/MulanPubL-2.0
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PubL v2 for more details.
 */

#ifndef OCEANBASE_SQL_ENGINE_CMD_ROLE_CMD_EXECUTOR_
#define OCEANBASE_SQL_ENGINE_CMD_ROLE_CMD_EXECUTOR_
#include "lib/string/ob_string.h"
#include "lib/container/ob_array_serialization.h"
#include "share/schema/ob_schema_struct.h"

namespace oceanbase {
namespace obrpc {
class ObCommonRpcProxy;
class ObCreateRoleArg;
class ObDropUserArg;
}  // namespace obrpc
namespace sql {
class ObExecContext;
class ObCreateRoleStmt;
class ObDropRoleStmt;
class ObCreateRoleExecutor {
public:
  ObCreateRoleExecutor()
  {}
  virtual ~ObCreateRoleExecutor()
  {}
  int execute(ObExecContext& ctx, ObCreateRoleStmt& stmt);
  static int encrypt_passwd(
      const common::ObString& passwd, common::ObString& encrypted_passwd, char* enc_buf, int64_t buf_len);

private:
  int create_role(obrpc::ObCommonRpcProxy* rpc_proxy, const obrpc::ObCreateRoleArg& arg) const;
  int drop_role(obrpc::ObCommonRpcProxy* rpc_proxy, const obrpc::ObDropUserArg& arg) const;

private:
  DISALLOW_COPY_AND_ASSIGN(ObCreateRoleExecutor);
};

class ObDropRoleExecutor {
public:
  ObDropRoleExecutor()
  {}
  virtual ~ObDropRoleExecutor()
  {}
  int execute(ObExecContext& ctx, ObDropRoleStmt& stmt);
  static int encrypt_passwd(
      const common::ObString& passwd, common::ObString& encrypted_passwd, char* enc_buf, int64_t buf_len);

private:
  int drop_role(obrpc::ObCommonRpcProxy* rpc_proxy, const obrpc::ObDropUserArg& arg) const;

private:
  DISALLOW_COPY_AND_ASSIGN(ObDropRoleExecutor);
};

}  // namespace sql
}  // namespace oceanbase
#endif  // OCEANBASE_SQL_ENGINE_CMD_USER_CMD_EXECUTOR_
